The active components in DuoNeb® (ipratropium bromide and albuterol sulfate) Inhalation Solution are albuterol sulfate and ipratropium bromide.

PAVULON® (pancuronium bromide) injection is a nondepolarizing neuromuscular blocking agent chemically designated as the aminosteroid 2 ?, 16 ? - dipiperidino-5?-androstane3?, 17-? diol diacetate dimethobromide.

CANTIL tablets for oral administration contain 25 mg mepenzolate bromide USP. The anticholinergic agent mepenzolate bromide USP chemically is 3-[(hydroxydiphenylacetyl)oxy]-1,1-dimethylpiperidinium bromide and has the following structure:

SPIRIVA HandiHaler consists of a capsule dosage form containing a dry powder formulation of tiotropium intended for oral inhalation only with the HandiHaler device.

The active ingredient in ATROVENT Nasal Spray is ipratropium bromide (as the monohydrate). It is an anticholinergic agent chemically described as 8-azoniabicyclo[3.2.1] octane, 3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(1-methylethyl)-, bromide monohydrate, (3-endo, 8-syn)-: a synthetic quaternary ammonium compound, chemically related to atropine. The structural formula is:

ZEMURON (rocuronium bromide) injection is a nondepolarizing neuromuscular blocking agent with a rapid to intermediate onset depending on dose and intermediate duration. Rocuronium bromide is chemically designated as 1-[17?-(acetyloxy)-3?-hydroxy-2?-(4-morpholinyl)-5?-androstan-16?-yl]-1-(2?­propenyl)pyrrolidinium bromide.

The active ingredient in ATROVENT HFA is ipratropium bromide (as the monohydrate). It is an anticholinergic bronchodilator chemically described as 8azoniabicyclo[3.2.1]octane, 3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(1-methylethyl)-,bromide monohydrate, (3-endo, 8-syn)-: a synthetic quaternary ammonium compound, chemically related to atropine. The structural formula for ipratropium bromide is:

RELISTOR (methylnaltrexone bromide) Subcutaneous Injection, a peripherally-acting muopioid receptor antagonist, is a sterile, clear and colorless to pale yellow aqueous solution. The chemical name for methylnaltrexone bromide is (R)-N-(cyclopropylmethyl) noroxymorphone methobromide. The molecular formula is C21H26NO4Br, and the molecular weight is 436.36. Each 3 mL vial contains 12 mg of methylnaltrexone bromide in 0.6 mL of water. The excipients are 3.9 mg sodium chloride USP, 0.24 mg edetate calcium disodium USP, and 0.18 mg glycine hydrochloride. During manufacture, the pH may have been adjusted with hydrochloric acid and/or sodium hydroxide.

COMBIVENT RESPIMAT is a combination of ipratropium bromide (as the monohydrate) and albuterol sulfate.

The active ingredient in ATROVENT® Nasal Spray is ipratropium bromide monohydrate. It is an anticholinergic agent chemically described as 8-azoni-abicyclo (3.2.1) octane,3-(3-hydroxy-1-oxo-2-phenyl-propoxy)-8-methyl-8-(1-methylethyl)-, bromide, monohydrate (endo,syn)-, (±)- :a synthetic quaternary ammonium compound, chemically related to atropine. Its structural formula is: